15 April 2015, 12:26 PM ET
Scientists exploring natural methane seeps on the Gulf of Mexico seafloor were surprised to encounter the whale. It curiously circled the expedition's Remotely Operated Vehicle (ROV) for a few minutes on April 14, 2015.
14 April 2015, 07:01 PM ET
The western gray whale now holds the record as the mammal with the longest known migration, researchers say.
14 April 2015, 07:01 PM ET
Bone-eating worms that can devour an entire whale carcass were also feasting on prehistoric reptiles more than 100 million years ago.
14 April 2015, 03:52 PM ET
A throng of giant flying fish that catapulted themselves towards oncoming rowers were not coordinating a fishy assault but were probably just spooked by the boat, science suggests.
14 April 2015, 12:44 PM ET
The giraffe born at the Dallas Zoo last week is a healthy baby girl. The spindly-legged bundle of joy weighs 139 lbs. (63 kilograms) and stands 5 feet 10 inches (1.8 meters) tall, a spokeswoman said.
13 April 2015, 07:38 PM ET
Dogs are part of a large taxonomic family called Canidae, which also includes wolves, coyotes, foxes and jackals. Members are called canids. Domestic dogs are a subspecies called Canis lupus familiaris.
13 April 2015, 06:34 PM ET
Teaching people when and where to swim (to avoid sharks), and improving the emergency response to shark bites, can significantly reduce the number of deaths.
11 April 2015, 12:12 AM ET
If spiders make your hair crawl, what do you think about hairy spiders?
09 April 2015, 04:01 PM ET
Researchers have found a nearly complete skeleton of a new species of terror bird, prehistoric carnivorous birds with hooked beaks standing 10 feet (3 meters) tall, and are learning surprising details about the animal's hearing and anatomy.
09 April 2015, 03:13 PM ET
They multiply like … fish! Apparently, a handful of goldfish dumped into a lake in Boulder, Colorado, just three years ago have reproduced and now number in the thousands.
09 April 2015, 10:25 AM ET
A 75-million-year-old tyrannosaur skull shows evidence of injuries the dinosaur acquired during its lifetime and after its death, a new study finds.
09 April 2015, 10:25 AM ET
Some 75 million years ago, a towering tyrannosaur may have lit into one of its own species, ripping into its skull and leaving behind jagged scars and deep punctures that have only recently seen the light of day.
08 April 2015, 04:10 PM ET
If you've ever wanted to see a giraffe being born, now's your chance. Katie, a giraffe at the Dallas Zoo, is due to give birth any day now, and you can watch it live online.
08 April 2015, 07:13 AM ET
Scientists plan to drill deep into the Chicxulub crater formed by a space rock that smashed into Earth 65.5 million years ago, killing off the dinosaurs.
07 April 2015, 07:27 AM ET
A new analysis of long-necked dinosaurs suggests that the Brontosaurus name was wrongly retired 100 years ago. It's a proposal that excites some paleontologists and leaves others skeptical.
06 April 2015, 05:05 PM ET
The water beneath Antarctica's thick ice may be dark and chilly, but it still harbors a surprising amount of sea life, including sea stars, sponges and anemones, according to a new underwater robotic expedition.
06 April 2015, 04:31 PM ET
Animals come in all different shapes and sizes, but only a few can change their shapes.
06 April 2015, 02:09 PM ET
A Georgia Institute of Technology robotic vehicle, named Icefin, was deployed 1640+ feet below the Ross Ice Shelf to the seafloor and it found sea stars, sponges, anemones and more.
06 April 2015, 09:04 AM ET
Colorful, spiky and only a few inches long, three new lizard species discovered in the Andes may be the cutest dragon stand-ins on Earth.
04 April 2015, 12:15 AM ET
For Richard Feynman, it was his father who inspired him to find answers to the world's unanswered questions.
02 April 2015, 08:25 PM ET
To understand extinction, art can bring a brutal power to the message of loss.
02 April 2015, 09:34 AM ET
A dinosaur couple that appears to have died together after wooing each other has been identified in remains unearthed at the Gobi Desert in Mongolia.
01 April 2015, 06:00 PM ET
The tarantula is a fast-moving spider, but it's not always a coordinated one, a new study finds. As the arachnid increases its speed, it also loses some of its coordination, becoming a "little wonky," researchers said.
01 April 2015, 02:01 PM ET
The one-humped hybrid camel would have been somewhat of an alien along the Danube River in the late 17th century during the Ottoman War, leading to its nickname, "sunken ship in the desert."
01 April 2015, 01:00 PM ET
Even though some polar bears are hunting on land more often in areas hit by shrinking Arctic sea ice, a diet of bird eggs and berries can't sustain these huge animals, a new study finds.
01 April 2015, 12:15 PM ET
The tardigrade is only one of many animals that has amazing and extreme abilities, according to a new exhibit at the American Museum of Natural History (AMNH) in New York City.
01 April 2015, 10:31 AM ET
Animals have some amazing abilities, from a Hercules beetle that can lift 80 times its weight to the microscopic water bear (or tardigrade) that can survive for 10 years without water. Here's a look at some from a new museum exhibit.
01 April 2015, 08:00 AM ET
In a March Madness-style tournament, Live Science is looking to settle the debate about which creature is the deadliest in the Animal Kingdom.
01 April 2015, 07:38 AM ET
Antarctic octopuses survive subzero temperatures because of the blue pigments in their blood, a new study finds.
31 March 2015, 09:28 PM ET
There's a reason this porpoise is smiling.
31 March 2015, 09:13 PM ET
Save the river porpoise, save China.
31 March 2015, 08:15 PM ET
Some city ants, like their human counterparts, are eating a junk-food-heavy diet.